TEAM, S. Isomorphism Theorems for $\tau$-Semigroups and Ordered $\tau$-Semigroups: Ronnason Chinram, Kittisak Tinpun. Thai Journal of Mathematics, [S. l.], v. 7, n. 2, p. 231–241, 2009. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/158. Acesso em: 2 may. 2024.